13804028 has 12 divisors (see below), whose sum is σ = 27608112. Its totient is φ = 5916000.

The previous prime is 13804027. The next prime is 13804039. The reversal of 13804028 is 82040831.

13804028 is an admirable number.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 13803988 and 13804006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13804027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246473 + ... + 246528.

It is an arithmetic number, because the mean of its divisors is an integer number (2300676).

Almost surely, 2^13804028 is an apocalyptic number.

It is an amenable number.

13804028 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13804028 is a wasteful number, since it uses less digits than its factorization.

13804028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493012 (or 493010 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 13804028 is about 3715.3772352212. The cubic root of 13804028 is about 239.8843655914.

Adding to 13804028 its reverse (82040831), we get a palindrome (95844859).

The spelling of 13804028 in words is "thirteen million, eight hundred four thousand, twenty-eight".